9.3

CVE-2011-1253: microsoft .net_framework

CVSS: 9.3v2.0HighModified
Published 12-10-2011Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-1253 is a high (CVSS 9.3) vulnerability in microsoft .net_framework. EPSS estimates a 13.24% chance of exploitation in the next 30 days, higher than 96.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
13.24%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-10-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5.1, and 4, and Silverlight 4 before 4.0.60831, does not properly restrict inheritance, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, (3) a crafted .NET Framework application, or (4) a crafted Silverlight application, aka ".NET Framework Class Inheritance Vulnerability."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

13.24%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 13.24% on 20-09-2026

20-09-202620-10-2026
EPSS score
13.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft2 products

1 vendor · 2 products

References

2 links